because you are maybe the only one here
to say that Karsten's post is off your topic.

I have seen this, not often, but some times,
that when a topic poster does not get the response he wants
he would not consider the opinions posted, as valid

No, you completely misunderstood my point. So did Karsten. OF COURSE I think highly of JB. Firstly, wouldn't I have to follow or read his blog closely enough to notice the change when the Aikido went commercial? Secondly, as I have tried to point out, look up the definition of "mourn". If I didn't think highly of his older blogs, would I suggest there was a need to grieve?

Karsten's post was off the topic I tried to start: JB's blog. Karsten didn't discuss the blog at all, which was the topic I put in the subject line, just that JB was a great guy, which I doubt that anybody here disputes.

Yes I was also trying to be funny, the smiley was no accident.

__________________
The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts. Bertrand Russell

and saw an in-depth analysis of the "Ultrapath" circuit; last time I stopped by Broskie was analyzing that amp in Audio Amateur that supposedly uses an IC power amp module to "boost" the output of a tube in an SE circuit; he completely debunked the concept. Going way back on the site shows simpler concepts but the same DIY spirit of essentially giving away hard-earned knowledge for free. So I conclude that the post that started this thread with the comment that TubeCAD "It's such a pale imitation of what it once was" was nothing more than a troll from someone seeking attention.

"Like the citizens of New Orleans, I expected much worse. The Big-Easy folk never bore Hurricane Ike’s full wrath; nor did I get the storm of angry e-mail against which I had braced myself, in the wake of my recent Ultrapath blog. In fact, not one reader complained. Instead, I received several e-mails with subject lines along the following lines: “Ultra-pathetic” and “Ultra-waste-of-time.” The sentiment was the same in all of them: “Thank God. I thought I was alone."

"Like the citizens of New Orleans, I expected much worse. The Big-Easy folk never bore Hurricane Ike’s full wrath; nor did I get the storm of angry e-mail against which I had braced myself, in the wake of my recent Ultrapath blog. In fact, not one reader complained. Instead, I received several e-mails with subject lines along the following lines: “Ultra-pathetic” and “Ultra-waste-of-time.” The sentiment was the same in all of them: “Thank God. I thought I was alone."

Never used ultrapath in any of my designs because of my general preference for fixed bias and regulated or well filtered supplies in power amplifiers. I do use the hum canceling capacitive divider (supply to cathode, cathode to ground to be clear) mentioned in the blog in the rare cathode biased dht amplifier I have done, and as he describes it works well, but requires some tweaking to get the deepest null.

The comments on capacitor tolerances were quite interesting..

__________________"To argue with a person who has renounced the use of reason is like administering medicine to the dead." - Thomas Paine